block: remove the unused rq_end_sector macro

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20210920123328.1399408-9-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/md/dm-rq.c

@@ -7,7 +7,6 @@
 #include "dm-core.h"
 #include "dm-rq.h"
 
-#include <linux/elevator.h> /* for rq_end_sector() */
 #include <linux/blk-mq.h>
 
 #define DM_MSG_PREFIX "core-rq"

include/linux/elevator.h

@@ -162,7 +162,6 @@ extern struct request *elv_rb_find(struct rb_root *, sector_t);
 #define ELEVATOR_INSERT_FLUSH	5
 #define ELEVATOR_INSERT_SORT_MERGE	6
 
-#define rq_end_sector(rq)	(blk_rq_pos(rq) + blk_rq_sectors(rq))
 #define rb_entry_rq(node)	rb_entry((node), struct request, rb_node)
 
 #define rq_entry_fifo(ptr)	list_entry((ptr), struct request, queuelist)